Season 1
Episodes
S1 · E1 · 5 Apr 2024 · 61 min
Episode 1
After a brutal attack, Jeong Su-in learns she may not be the same person as before. Choi Jun-kyung discovers the monsters are forming an organization.
S1 · E2 · 5 Apr 2024 · 43 min
Episode 2
Looking for his sister, Seol Kang-woo investigates Saejin Church, where he finds Su-in. But he soon encounters trouble — and the two fight to escape.
S1 · E3 · 5 Apr 2024 · 43 min
Episode 3
After raiding Saejin Church, Jun-kyung begins suspecting Kim Chul-min is hiding something — later tracking him down meeting with Su-in and Kang-woo.
S1 · E4 · 5 Apr 2024 · 53 min
Episode 4
After revealing everything he knows to Chul-min, Kang-woo agrees to help save Su-in. But when the plan goes awry, lives are put at risk.
S1 · E5 · 5 Apr 2024 · 48 min
Episode 5
Despite being on the run, Su-in tries to warn Jun-kyung. But as Team Grey's raid plays out, Su-in and Kang-woo realize it's all part of a bigger plan.
S1 · E6 · 5 Apr 2024 · 52 min
Episode 6
Su-in meets with Seol Kyung-hee, who requests an alliance. But the parasites' ploy for power goes into full effect — and it's up to Heidi to stop them.
Data and images from TMDB.